FI801476A - Direktbevakning av den specifika ytan hos mekaniska massor - Google Patents

Direktbevakning av den specifika ytan hos mekaniska massor

Info

Publication number
FI801476A
FI801476A FI801476A FI801476A FI801476A FI 801476 A FI801476 A FI 801476A FI 801476 A FI801476 A FI 801476A FI 801476 A FI801476 A FI 801476A FI 801476 A FI801476 A FI 801476A
Authority
FI
Finland
Prior art keywords
massor
mechanical
requirements specific
directive
directive requirements
Prior art date
Application number
FI801476A
Other languages
English (en)
Other versions
FI71617C (fi
FI71617B (fi
Inventor
Alkibiadis Karnis
Paul M Shallhorn
Original Assignee
Domtar Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Domtar Inc filed Critical Domtar Inc
Publication of FI801476A publication Critical patent/FI801476A/fi
Application granted granted Critical
Publication of FI71617B publication Critical patent/FI71617B/fi
Publication of FI71617C publication Critical patent/FI71617C/fi

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
    • D21F1/68—Pulp catching, de-watering, or recovering; Re-use of pulp-water using hydrocyclones
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F7/00—Other details of machines for making continuous webs of paper
    • D21F7/06—Indicating or regulating the thickness of the layer; Signal devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/06—Investigating concentration of particle suspensions
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Paper (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
FI801476A 1979-05-08 1980-05-07 Direktbevakning av den specifika ytan hos mekaniska massor. FI71617C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA327,137A CA1123626A (en) 1979-05-08 1979-05-08 On-line monitoring of specific surface of mechanical pulps
CA327137 1979-05-08

Publications (3)

Publication Number Publication Date
FI801476A true FI801476A (fi) 1980-11-09
FI71617B FI71617B (fi) 1986-10-10
FI71617C FI71617C (fi) 1987-01-19

Family

ID=4114157

Family Applications (1)

Application Number Title Priority Date Filing Date
FI801476A FI71617C (fi) 1979-05-08 1980-05-07 Direktbevakning av den specifika ytan hos mekaniska massor.

Country Status (5)

Country Link
JP (1) JPS55152440A (fi)
AU (1) AU539306B2 (fi)
CA (1) CA1123626A (fi)
FI (1) FI71617C (fi)
SE (1) SE437043B (fi)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE442247B (sv) * 1984-02-14 1985-12-09 Svenska Traeforskningsinst Anordning for att i en suspension med atminstone tva typer av suspenderade emnen var for sig meta halten av varje emnestyp
JPH0677013B2 (ja) * 1984-10-31 1994-09-28 大成建設株式会社 地質の調査方法
US5500735A (en) * 1994-07-18 1996-03-19 Pulp And Paper Research Institute Of Canada Method and apparatus for on-line measurement of pulp fiber surface development
FI126688B (fi) * 2014-06-30 2017-03-31 Upm Kymmene Corp Menetelmä ja laite nanofibrilliselluloosan laadun tarkkailemiseksi

Also Published As

Publication number Publication date
FI71617C (fi) 1987-01-19
FI71617B (fi) 1986-10-10
CA1123626A (en) 1982-05-18
AU5799480A (en) 1980-11-13
SE8003413L (sv) 1980-11-09
SE437043B (sv) 1985-02-04
JPS55152440A (en) 1980-11-27
AU539306B2 (en) 1984-09-20

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: DOMTAR INC.